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Year 12s: what will be the first way you research your future options? >>

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GCSE chem question

GCSE chem question

roadrunner98

This question is going to be about the electrolysis practical.

When we conducted the experiment, we used carbon rods. We repeated the experiment with four solutions. Two solutions have a sulfate in them (copper sulfate and zinc sulfate). Wouldn't carbon dioxide be produced because oxygen would form at the anode since it has been oxidised and then the oxygen would combine with another oxygen atom to form O2. Wouldn't this oxygen react with the carbon electrode?

I'm assuming it would because this is what happens in the electrolysis of aluminium oxide. The carbon anode reacts with the oxygen.

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